128 E. A. Vainio, Lecideales. 



Obs. 1. Pilophoron fibula (Tuck.) Nyl. Syn. Lich. (1860) p. 229, 

 tab. VII f. 6 {Stereocaulon fibula Tuck. Syn. Lich. New Eng., 1848, p. 

 46), sec. specim. orig. n. 39758 in herb. Nyl. thallo primario et podetiis 

 baud sorediosis, podetiis semper fertilibus (aut conidiiferis) et apo- 

 theciis latere baud inflexo, sporis „long. O.oie -O.027, crass. O.007— O.oio mm" 

 <sec. annot. Nyl.) a P. cereolo differt. 



Obs. 2. Pilophoron robustum (Th. Fr.) Nyl. Lich. Scand. (1861) 

 p. 62 (Pilophoms robustus Th. Fr. De Ster. Piloph. Comm., 1857, p. Ill, 

 Lich. Scand. I p. 55), etiam in Storfjeldet supra Mortensnaes ad Sinum 

 Varangerfjord in Finmarkia a Th. Fr. collectum (Th. Fr. Lich. Scand. 

 Exs. I, 1859, n. 11), podetiis longioribus (10—25 mm longis), esoredia- 

 tis, in caespites parvos confertis, vulgo fertilibus, apicem versus in 

 ramos breves subcorymbose divisis, apotheciis latere baud inflexo a 

 P. cereolo distinguitur. 



Subtrib. 2. Lecideaceae Vain. 



Thallus squamosus aut crustaceus, gonidia continens 

 pleurococcoidea aut cystococcoidea aut in iisdem speciebus 

 in paratiiallis (cephalodiis) simul etiam cyanophycea, praeser- 

 tim scytonemea [aut in generibus ad fungos pertinentibus 

 e mycelio gonidiis destitute constans]. Apothecia sessilia aut 

 raro stipite brevissimo instructa aut thallo immersa (sed etiam 

 tunc perithecio gonidiis destitute instructa. 



Lecideaceis plura genera Pezizearam affinia sunt. 



I. Sporae septis divisae. 



A. Sporae strato gelatinoso baud indutae. 



«. Sporae bacillares acicularesve, tenues longaeque. 



1. Toninia. Thallus squamulosus aut ex areolis crenulatis laci- 

 nulatisve aut e verrucis proliferis constans. 



3. Bacidia. Thallus crustaceus, uniformis. 



j-i. Sporae comparate crassae et breves aut sat breves. 

 t Sporae transversim septatae. 

 /\ Thallus squamosus. 



2. Thalloedaema. Sporae ellipsoideae aut elongato-oblongae aut 

 fusiformes, 1 — 3-septatae. 



Z\Z\ Thallus crustaceus. 



O Sporae 3— pluri-septatae. 



4. Bilimbia. Sporae fusiformes aut oblongae elongataeve, de- 

 colores. 



QQ Sporae 1 -septatae. 



